syme sume joins us from the newsroom to tell us what's behind the provocative billboard. >> reporter: if the purpose of an ad is to catch your attention this one definitely does it but how appropriate is it when the language is out there for all to see? >> reporter: the massive ad stands out on the side of 101 heading south through downtown san francisco. it's part of levi's campaign to show women come in not only different sizes but also different shapes. hence, the tag line. all asses were not created equal. >> i don't have a problem with it. >> come on, they are using the word asses now as a -- ad word. so, you know, is that appropriate? >> reporter: a spokesman says levi's chose the language because in worldwide surveys it reflects how women talk about their jeans. however, she refused to answer whether levi's considered the language appropriate for children to hear. >> it's inappropriate for all ages, i would think. i think we start to get desensitized to what is appropriate and what i would like my 5-year-old and my 8- year-old to look at. >> if they see it they will think it's